Immigration legislative and administrative policies, legal statutes and court decisions, and regulations collectively shape nations' immigration systems—from visa allotments and immigrant-selection mechanisms to immigrant integration programs, border controls, and more. As international migration has increased in size and spread and as a number of nations are more flexibly adjusting their immigration systems, the research offered here examines the many permutations of immigration policy and law, often with a comparative lens.

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This report examines the role of naturalization as indicator and facilitator of successful integration in the United States. It examines why immigrants decide to naturalize and why many of those eligible to naturalize are unable or choose not to do so.

This joint Migration Policy Institute and International Organization for Migration event marks the Issue brief launch of Regulating Private Recruitment in the Asia-Middle East Labour Migration Corridor.

Join MPI as U.S. Citizenship and Immigration Services Director Alejandro Mayorkas discusses the application process and policies that the agency has announced to implement the administration’s deferred action program.

This issue brief examines Asian labor migration to the Middle East—a region distinguished by its major dependence on migrant workers, the overwhelming majority from Asia. The author focuses on the role of private recruiting agencies as key facilitators of temporary labor migration and perpetrators of exploitative practices.

This fact sheet provides an estimate of the number of DREAMers—unauthorized immigrants potentially eligible for a two-year reprieve from deportation under the Deferred Action for Childhood Arrivals initiative—based on eligibility criteria outlined by the Department of Homeland Security. It also offers a detailed analysis of the demographic characteristics of prospective beneficiaries.

MPI is pleased to host a discussion with experts from both KIND and the Women’s Refugee Commission, focusing on the causes of the increase in unaccompanied minor migrants, the situation these minors face once detained or apprehended, and the challenges confronting both nongovernmental organizations trying to provide aid and the U.S. government agencies responsible for processing minors through the system.

This report traces how the American public and the U.S. government have responded to the diversification of migrant streams and the increasing proportion of illegal immigration in recent decades. It outlines the anxieties triggered by this immigration, the policy response at the national and state levels, and the implications of the second generation over the long run.

In the Spotlight

As many as 5.2 million unauthorized immigrants could gain relief under new and expanded deferred action programs that President Obama unveiled in November 2014. Check out our U.S. and state breakdowns of the populations that could benefit from the existing Deferred Action for Childhood Arrivals (DACA) program or new deferred action program for certain parents of U.S. citizens or legal permanent residents.